-a[9+(-3)]+a=

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Solution for -a[9+(-3)]+a= equation: 


Simplifying
-1a[9 + (-3)] + a = 0
-1a[9 + -3] + a = 0

Combine like terms: 9 + -3 = 6
-1a[6] + a = 0

Reorder the terms for easier multiplication:
-1 * 6a + a = 0

Multiply -1 * 6
-6a + a = 0

Combine like terms: -6a + a = -5a
-5a = 0

Solving
-5a = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Divide each side by '-5'.
a = 0

Simplifying
a = 0

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